owncloud/core

<?php
/**
 * @author Thomas Müller <thomas.mueller@tmit.eu>
 *
 * @copyright Copyright (c) 2018, ownCloud GmbH
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

namespace OC\Files\Meta;

use OC\Files\Node\AbstractFolder;
use OCP\Constants;
use OCP\Files\FileInfo;
use OCP\Files\IRootFolder;
use OCP\Files\NotFoundException;

/**
 * Class MetaFileIdNode - this class represents the file id part of the meta endpoint
 *
 * /meta/fileid
 *
 * @package OC\Files\Meta
 */
class MetaFileIdNode extends AbstractFolder {
    /** @var \OCP\Files\Node */
    private $node;
    /** @var MetaRootNode */
    private $parentNode;
    /** @var IRootFolder */
    private $root;

    /**
     * MetaFileIdNode constructor.
     *
     * @param MetaRootNode $parentNode
     * @param IRootFolder $root
     * @param \OCP\Files\Node $node
     */
    public function __construct(MetaRootNode $parentNode, IRootFolder $root, \OCP\Files\Node $node) {
        $this->parentNode = $parentNode;
        $this->root = $root;
        $this->node = $node;
    }

    /**
     * @inheritdoc
     */
    public function getName() {
        return "{$this->node->getId()}";
    }

    /**
     * @inheritdoc
     */
    public function getPath() {
        return "/meta/{$this->node->getId()}";
    }

    /**
     * @inheritdoc
     */
    public function isEncrypted() {
        return false;
    }

    /**
     * @inheritdoc
     */
    public function isShared() {
        return false;
    }

    /**
     * @inheritdoc
     */
    public function isMounted() {
        return false;
    }

    /**
     * @inheritdoc
     */
    public function getDirectoryListing() {
        return [
            new MetaVersionCollection($this->root, $this->node)
        ];
    }

    /**
     * @inheritdoc
     */
    public function get($path) {
        $pieces = \explode('/', $path);
        if ($pieces[0] === 'v') {
            \array_shift($pieces);
            $node = new MetaVersionCollection($this->root, $this->node);
            if (empty($pieces)) {
                return $node;
            }
            return $node->get(\implode('/', $pieces));
        }
        throw new NotFoundException();
    }

    /**
     * @inheritdoc
     */
    public function getFreeSpace() {
        return FileInfo::SPACE_UNKNOWN;
    }

    /**
     * @inheritdoc
     */
    public function getInternalPath() {
        return $this->getPath();
    }

    /**
     * @inheritdoc
     */
    public function getPermissions() {
        return Constants::PERMISSION_READ;
    }

    /**
     * @inheritdoc
     */
    public function isReadable() {
        return true;
    }

    /**
     * @inheritdoc
     */
    public function isUpdateable() {
        return false;
    }

    /**
     * @inheritdoc
     */
    public function isDeletable() {
        return false;
    }

    /**
     * @inheritdoc
     */
    public function isShareable() {
        return false;
    }

    /**
     * @inheritdoc
     */
    public function getParent() {
        return $this->parentNode;
    }
}